The control of traditional classroom has no longer adapted to the need of development of the times, and that s why it needs supporting by new classroom leadership.

Among several teaching links,lead-in is one of the most important parts.

Attractive lead-in activities can arouse students’ interest in learning and stimulate their initiative, bringing enjoyment to the students and laying good foundation for new contents.

Lead-in of class plays a very important part in students study, Students mental activities affect the efficiency of students study too.

On K-12 Principal s Curriculum Leadership;

The Principals' Curriculum Leadership: Its Status Quo and Some Countermeasures

At present, the curriculum reform of ordinary high school in our country has been in the key period of wholly implementation, during which curriculum leadership shows its peculiarity and non-replace ability curriculum leadership results in the success or failure of curriculum reform, and it has a strong effect on the long-run development of students, teachers and school.

School Curriculum Plan(SCP)is one of the important carriers to realize curriculum leadership, but in practice, it has often been simplified and neglected because of some misunderstandings.

Through the course practice and interview, the task-based course introduction is proved that it can enhance learners interest and inspire their applied ability of language.